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30053003005 = 56010600601
BaseRepresentation
bin11011111111010011…
…000110111011111101
32212120110000201211101
4123333103012323331
5443022032044010
621450044053101
72112512211364
oct337723067375
985513021741
1030053003005
1111822155a73
1259a8834191
132aac36231c
1416514c47db
15bad5e873a
hex6ff4c6efd

30053003005 has 4 divisors (see below), whose sum is σ = 36063603612. Its totient is φ = 24042402400.

The previous prime is 30053002939. The next prime is 30053003033. The reversal of 30053003005 is 50030035003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5784971481 + 24268031524 = 76059^2 + 155782^2 .

It is not a de Polignac number, because 30053003005 - 215 = 30052970237 is a prime.

It is a super-3 number, since 3×300530030053 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3005300296 + ... + 3005300305.

It is an arithmetic number, because the mean of its divisors is an integer number (9015900903).

Almost surely, 230053003005 is an apocalyptic number.

It is an amenable number.

30053003005 is a deficient number, since it is larger than the sum of its proper divisors (6010600607).

30053003005 is an equidigital number, since it uses as much as digits as its factorization.

30053003005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010600606.

The product of its (nonzero) digits is 675, while the sum is 19.

Adding to 30053003005 its reverse (50030035003), we get a palindrome (80083038008).

The spelling of 30053003005 in words is "thirty billion, fifty-three million, three thousand, five".

Divisors: 1 5 6010600601 30053003005